#include "util.h"
#include "iso14443crc.h"
#include "data.h"
-//#include "proxusb.h"
#include "proxmark3.h"
#include "ui.h"
#include "cmdparser.h"
int CmdHF14AList(const char *Cmd)
{
- uint8_t got[1920];
- GetFromBigBuf(got,sizeof(got),0);
- WaitForResponse(CMD_ACK,NULL);
-
- PrintAndLog("recorded activity:");
- PrintAndLog(" ETU :rssi: who bytes");
- PrintAndLog("---------+----+----+-----------");
-
- int i = 0;
- int prev = -1;
+ bool ShowWaitCycles = false;
+ char param = param_getchar(Cmd, 0);
+
+ if (param == 'h' || (param != 0 && param != 'f')) {
+ PrintAndLog("List data in trace buffer.");
+ PrintAndLog("Usage: hf 14a list [f]");
+ PrintAndLog("f - show frame delay times as well");
+ PrintAndLog("sample: hf 14a list f");
+ return 0;
+ }
- for (;;) {
- if(i >= 1900) {
- break;
- }
+ if (param == 'f') {
+ ShowWaitCycles = true;
+ }
+
+ uint8_t got[1920];
+ GetFromBigBuf(got,sizeof(got),0);
+ WaitForResponse(CMD_ACK,NULL);
+
+ PrintAndLog("Recorded Activity");
+ PrintAndLog("");
+ PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
+ PrintAndLog("All times are in carrier periods (1/13.56Mhz)");
+ PrintAndLog("");
+ PrintAndLog(" Start | End | Src | Data");
+ PrintAndLog("-----------|-----------|-----|--------");
+
+ int i = 0;
+ uint32_t first_timestamp = 0;
+ uint32_t timestamp;
+ uint32_t EndOfTransmissionTimestamp = 0;
+
+ for (;;) {
+ if(i >= 1900) {
+ break;
+ }
- bool isResponse;
- int timestamp = *((uint32_t *)(got+i));
- if (timestamp & 0x80000000) {
- timestamp &= 0x7fffffff;
- isResponse = 1;
- } else {
- isResponse = 0;
- }
+ bool isResponse;
+ timestamp = *((uint32_t *)(got+i));
+ if (timestamp & 0x80000000) {
+ timestamp &= 0x7fffffff;
+ isResponse = true;
+ } else {
+ isResponse = false;
+ }
- int metric = 0;
- int parityBits = *((uint32_t *)(got+i+4));
- // 4 bytes of additional information...
- // maximum of 32 additional parity bit information
- //
- // TODO:
- // at each quarter bit period we can send power level (16 levels)
- // or each half bit period in 256 levels.
+ if(i==0) {
+ first_timestamp = timestamp;
+ }
+
+ int parityBits = *((uint32_t *)(got+i+4));
+ int len = got[i+8];
- int len = got[i+8];
+ if (len > 100) {
+ break;
+ }
+ if (i + len >= 1900) {
+ break;
+ }
- if (len > 100) {
- break;
- }
- if (i + len >= 1900) {
- break;
- }
+ uint8_t *frame = (got+i+9);
- uint8_t *frame = (got+i+9);
+ // Break and stick with current result if buffer was not completely full
+ if (frame[0] == 0x44 && frame[1] == 0x44 && frame[2] == 0x44 && frame[3] == 0x44) break;
- // Break and stick with current result if buffer was not completely full
- if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; }
+ char line[1000] = "";
+ int j;
+ if (len) {
+ for (j = 0; j < len; j++) {
+ int oddparity = 0x01;
+ int k;
- char line[1000] = "";
- int j;
- for (j = 0; j < len; j++) {
- int oddparity = 0x01;
- int k;
+ for (k=0;k<8;k++) {
+ oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
+ }
- for (k=0;k<8;k++) {
- oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
- }
+ //if((parityBits >> (len - j - 1)) & 0x01) {
+ if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
+ sprintf(line+(j*4), "%02x! ", frame[j]);
+ } else {
+ sprintf(line+(j*4), "%02x ", frame[j]);
+ }
+ }
+ } else {
+ if (ShowWaitCycles) {
+ uint32_t next_timestamp = (*((uint32_t *)(got+i+9))) & 0x7fffffff;
+ sprintf(line, "fdt (Frame Delay Time): %d", (next_timestamp - timestamp));
+ }
+ }
- //if((parityBits >> (len - j - 1)) & 0x01) {
- if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
- sprintf(line+(j*4), "%02x! ", frame[j]);
- }
- else {
- sprintf(line+(j*4), "%02x ", frame[j]);
- }
- }
+ char *crc;
+ crc = "";
+ if (len > 2) {
+ uint8_t b1, b2;
+ for (j = 0; j < (len - 1); j++) {
+ // gives problems... search for the reason..
+ /*if(frame[j] == 0xAA) {
+ switch(frame[j+1]) {
+ case 0x01:
+ crc = "[1] Two drops close after each other";
+ break;
+ case 0x02:
+ crc = "[2] Potential SOC with a drop in second half of bitperiod";
+ break;
+ case 0x03:
+ crc = "[3] Segment Z after segment X is not possible";
+ break;
+ case 0x04:
+ crc = "[4] Parity bit of a fully received byte was wrong";
+ break;
+ default:
+ crc = "[?] Unknown error";
+ break;
+ }
+ break;
+ }*/
+ }
- char *crc;
- crc = "";
- if (len > 2) {
- uint8_t b1, b2;
- for (j = 0; j < (len - 1); j++) {
- // gives problems... search for the reason..
- /*if(frame[j] == 0xAA) {
- switch(frame[j+1]) {
- case 0x01:
- crc = "[1] Two drops close after each other";
- break;
- case 0x02:
- crc = "[2] Potential SOC with a drop in second half of bitperiod";
- break;
- case 0x03:
- crc = "[3] Segment Z after segment X is not possible";
- break;
- case 0x04:
- crc = "[4] Parity bit of a fully received byte was wrong";
- break;
- default:
- crc = "[?] Unknown error";
- break;
- }
- break;
- }*/
- }
-
- if (strlen(crc)==0) {
- ComputeCrc14443(CRC_14443_A, frame, len-2, &b1, &b2);
- if (b1 != frame[len-2] || b2 != frame[len-1]) {
- crc = (isResponse & (len < 6)) ? "" : " !crc";
- } else {
- crc = "";
+ if (strlen(crc)==0) {
+ ComputeCrc14443(CRC_14443_A, frame, len-2, &b1, &b2);
+ if (b1 != frame[len-2] || b2 != frame[len-1]) {
+ crc = (isResponse & (len < 6)) ? "" : " !crc";
+ } else {
+ crc = "";
+ }
+ }
+ } else {
+ crc = ""; // SHORT
}
- }
- } else {
- crc = ""; // SHORT
- }
- char metricString[100];
- if (isResponse) {
- sprintf(metricString, "%3d", metric);
- } else {
- strcpy(metricString, " ");
- }
+ i += (len + 9);
- PrintAndLog(" +%7d: %s: %s %s %s",
- (prev < 0 ? 0 : (timestamp - prev)),
- metricString,
- (isResponse ? "TAG " : " "), line, crc);
+ EndOfTransmissionTimestamp = (*((uint32_t *)(got+i))) & 0x7fffffff;
+
+ if (!ShowWaitCycles) i += 9;
+
+ PrintAndLog(" %9d | %9d | %s | %s %s",
+ (timestamp - first_timestamp),
+ (EndOfTransmissionTimestamp - first_timestamp),
+ (len?(isResponse ? "Tag" : "Rdr"):" "),
+ line, crc);
- prev = timestamp;
- i += (len + 9);
- }
+ }
return 0;
}
SendCommand(&c);
UsbCommand resp;
- WaitForResponse(CMD_ACK,&resp);
+ WaitForResponse(CMD_ACK,&resp);
iso14a_card_select_t *card = (iso14a_card_select_t *)resp.d.asBytes;
projects / proxmark3-svn / blobdiff